# Articles on Pi

## Pi day: a brief history of our fascination with this magical number, from pies to ‘piems’

Pi has spawned its own literary style, where the number of letters in consecutive words is dictated by the decimal expansion of pi.

## Why bother calculating pi to 62.8 trillion digits? It’s both useless and fascinating

Calculating pi with unprecedented accuracy has zero scientific usefulness. But as a show of computing muscle and a mathematical curiosity, it’s endlessly intriguing.

It’s March 14, the day we irrationally celebrate the ratio of a circle’s circumference to its diameter. Here’s a roundup from our archive of what we know about pi.

## Pi pops up where you don’t expect it

We know pi appears when we talk about circles. But it appears in many other places, too. Why, pi, why?

## How a farm boy from Wales gave the world pi

This Pi Day we should celebrate William Jones, the 18th century Welsh farm boy who named the mysterious number.

## Pi might look random but it’s full of hidden patterns

Mathematicians have long been revealing the beauty in the one of nature’s most mysterious numbers.

## Pi and its part in the most beautiful formula in mathematics

On international Pi Day it’s time to look at Pi’s position in unique formula that’s praised much for its beauty in uniting several mathematical constants.

## The search for the value of pi

On the occasion of Pi Day, a look at the history of calculating the actual, and increasingly exact, value of pi (π).

## Pi Day is silly, but π itself is fascinating and universal

3/14 on the calendar approximates the first three digits of the mathematical constant π. Math nerds will celebrate with baked goods, but π is a deeper, nobler entity.

## We still can’t get enough pi … but why?

The number pi (π = 3.14159265358979323846…), unique among the pantheon of mathematical constants, captures the fascination of the public and professional mathematicians. Three years ago one of the authors…

## Are Pi’s days numbered?

Some people have argued that Pi’s days are numbered and that other tools, such as tau, could do its job more efficiently. As someone who has studied Pi throughout his entire working life, my response to…